package com.fxd.serviceorder;

import com.alibaba.cloud.nacos.NacosConfigManager;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.config.listener.Listener;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;

import java.util.concurrent.Executor;
import java.util.concurrent.Executors;

// 开启Feign调用
@EnableFeignClients
@EnableDiscoveryClient
@SpringBootApplication
public class ServiceOrderApplication {

    public static void main(String[] args) {
        SpringApplication.run(ServiceOrderApplication.class, args);
    }

    @Bean
    ApplicationRunner applicationRunner(NacosConfigManager nacosConfigManager) {
        return new ApplicationRunner() {
            @Override
            public void run(ApplicationArguments args) throws Exception {

                System.out.println("=====");

                ConfigService configService = nacosConfigManager.getConfigService();
                configService.addListener(
                        "service-order.properties",
                        "DEFAULT_GROUP",
                        new Listener() {
                            @Override
                            public Executor getExecutor() {
                                return Executors.newFixedThreadPool(2);
                            }

                            @Override
                            public void receiveConfigInfo(String s) {
                                System.out.println("nacosConfigManager监听到配置变化: " + s);
                            }
                        }
                );

            }
        };
    }
}
